What is CVE-2022-40139?

CVE-2022-40139 is a vulnerability in Trend Micro Apex One. Published 2022-09-19.

Is CVE-2022-40139 known to be exploited?

Yes. CVE-2022-40139 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Vulnerability in Trend Micro Apex One

CVE-2022-40139

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified…

EPSS: 0.089 (92.7th percentile) — read the EPSS interpretation.

Affected products

Trend Micro Apex One — versions 2019 (on-prem) and SaaS

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-09-15. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-10-06.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

success.trendmicro.com/solution/000291528 (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40139?: CVE-2022-40139 is a vulnerability in Trend Micro Apex One. Published 2022-09-19.
Is CVE-2022-40139 known to be exploited?: Yes. CVE-2022-40139 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.